How do I mark a task as complete on a project?

You can’t mark a task as complete, but you can remove or archive it from a project. To do that:

Go to Projects and click the Actions menu to the right of the project you’d like to edit.

Select Edit to get to the Project Edit form.

Under Tasks, click the X to the left of each task to remove it (if there is no time tracked to it) or archive it (if there is time tracked to it).

Save.

Note: Once you archive a task from a project, you won’t be able to track time to that task (on that project) or to edit the time tracked to that task/project combination. The hours you’ve logged to the task are unaffected though; you can still report on and invoice for time tracked to archived tasks.